Search a number
-
+
6424397929 = 431973132423
BaseRepresentation
bin1011111101110110…
…01000100001101001
3121120201122020012001
411332323020201221
5101124121213204
62541253051001
7315126324055
oct57673104151
917521566161
106424397929
1127a7450284
1212b3626a61
137b4ca04c1
1444d324c65
1527901a4a4
hex17eec8869

6424397929 has 16 divisors (see below), whose sum is σ = 6631016832. Its totient is φ = 6220626048.

The previous prime is 6424397911. The next prime is 6424398011. The reversal of 6424397929 is 9297934246.

6424397929 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 6424397929 - 25 = 6424397897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6424397929.

It is not an unprimeable number, because it can be changed into a prime (6424397909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2650212 + ... + 2652634.

It is an arithmetic number, because the mean of its divisors is an integer number (414438552).

Almost surely, 26424397929 is an apocalyptic number.

It is an amenable number.

6424397929 is a deficient number, since it is larger than the sum of its proper divisors (206618903).

6424397929 is a wasteful number, since it uses less digits than its factorization.

6424397929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976.

The product of its digits is 5878656, while the sum is 55.

The square root of 6424397929 is about 80152.3420057081. The cubic root of 6424397929 is about 1858.9918158473.

The spelling of 6424397929 in words is "six billion, four hundred twenty-four million, three hundred ninety-seven thousand, nine hundred twenty-nine".

Divisors: 1 43 197 313 2423 8471 13459 61661 104189 477331 758399 2651423 20525233 32611157 149404603 6424397929